期刊
CATALYSIS COMMUNICATIONS
卷 112, 期 -, 页码 10-14出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2018.04.017
关键词
Hierarchical ZSM-5; CTAB; Seed; Methanol to propylene reaction
资金
- National Natural Science Foundation of China [21276183]
Hierarchical ZSM-5 zeolites were synthesized with cetyltrimethylammonium bromide (CTAB) containing silicalite-1 (S-1) as seed. The characterization results revealed that the CTAB/SiO2 ratio of 0.005-0.1 in S-1 created abundant intercrystal mesopores in ZSM-5 zeolites and resulted in less strong and weaker acid sites. The hierarchical ZSM-5 had a comparable catalytic performance in methanol to propylene (MTP) reaction with the zeolite synthesized by adding S-1 and CTAB directly in the precursor form as reported in the literature. However, in the present proposed method, the use of CTAB was greatly reduced. The very low-cost and facile method developed in this work is expected to be feasible for the synthesis of other zeolites.
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